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[PATCH 3.12 122/123] qla2xxx: Mark port lost when we receive an RSCN for it.

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  [PATCH 3.12 122/123] qla2xxx: Mark port lost when we receive an RSCN for it. Jiri Slaby <jslaby@suse.cz> - 2015-08-04 16:50 +0200

#1199938 — [PATCH 3.12 122/123] qla2xxx: Mark port lost when we receive an RSCN for it.

From: Chad Dupuis <chad.dupuis@qlogic.com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit ef86cb2059a14b4024c7320999ee58e938873032 upstream.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 drivers/scsi/qla2xxx/qla_isr.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index e32fccd6580c..fc4563b1c1d8 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -536,8 +536,9 @@ qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
-	uint32_t	rscn_entry, host_pid;
+	uint32_t	rscn_entry, host_pid, tmp_pid;
 	unsigned long	flags;
+	fc_port_t	*fcport = NULL;
 
 	/* Setup to process RIO completion. */
 	handle_cnt = 0;
@@ -932,6 +933,20 @@ skip_rio:
 		if (qla2x00_is_a_vp_did(vha, rscn_entry))
 			break;
 
+		/*
+		 * Search for the rport related to this RSCN entry and mark it
+		 * as lost.
+		 */
+		list_for_each_entry(fcport, &vha->vp_fcports, list) {
+			if (atomic_read(&fcport->state) != FCS_ONLINE)
+				continue;
+			tmp_pid = fcport->d_id.b24;
+			if (fcport->d_id.b24 == rscn_entry) {
+				qla2x00_mark_device_lost(vha, fcport, 0, 0);
+				break;
+			}
+		}
+
 		atomic_set(&vha->loop_down_timer, 0);
 		vha->flags.management_server_logged_in = 0;
 
-- 
2.5.0

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